Metal hydroxides like aluminium trihydroxide (ATH) or magnesium dihydroxide (MDH) are commonly used halogen-free flame retardants in polyolefins.
金属氧化物如氢氧化铝(ATH)或氢氧化
(MDH)

的无卤阻燃
系。
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玫瑰(上) Right in the midst of this half-sad, half-sentimental reverie, she heard a familiar voice behind her say earnestly: " And allophite is the new hydrous silicate of alumina and magnesia, much resembling pseudophite, which Websky found in Silesia" .
就在这种
是
、
是感
遐想中,她听到身后一个
悉
声音恳切地说:“异镁石是一种

化铝和
化镁含水硅酸盐,很像韦伯斯基在西里西亚发现
假晶石。”